<!DOCTYPE html>
<html lang='en'>
<head>
    <meta charset='UTF-8'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <title>百度彩色logo</title>
</head>
    <style>
        div {
            font-size: 50px;
            font-weight: bolder;
        }
        div span:nth-child(1) {
            color: blue;
        }
        div span:nth-child(2) {
            color: red;
        }   
        div span:nth-child(3) {
            color: rgb(171, 171, 6)
        }
        div span:nth-child(4) {
            color: green;
        }
        div span:nth-child(5) {
            color: greenyellow;
        }
    </style>
<body>
    <script>
    
    </script>
    <div>
        <span>B</span>
        <span>a</span>
        <span>i</span>
        <span>d</span>
        <span>u</span>
    </div>
</body>
</html>